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Finding the Fourth Proportional to 38,407.92, 57,593.52 and 19,696.92

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Solution

The fourth proportional to 38,407.92, 57,593.52 and 19,696.92 is: 29,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.92 : 57,593.52 = 19,696.92 : x
  2. Step 2: Convert to fraction form
    38,407.92/57,593.52 = 19,696.92/x
  3. Step 3: Cross multiply
    38,407.92x = 57,593.52 × 19,696.92
  4. Step 4: Simplify right side
    38,407.92x = 1,134,414,955.96
  5. Step 5: Solve for x
    x = 1,134,414,955.96/38,407.92
  6. Step 6: Final answer
    x = 29,535.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.